4H-1-BENZOPYRAN-4-ONE, 2-(4-CHLOROPHENYL)

Modify Date: 2026-09-01 16:22:47

4H-1-BENZOPYRAN-4-ONE, 2-(4-CHLOROPHENYL) Structure
4H-1-BENZOPYRAN-4-ONE, 2-(4-CHLOROPHENYL) structure
Common Name 4H-1-BENZOPYRAN-4-ONE, 2-(4-CHLOROPHENYL)
CAS Number 10420-75-4 Molecular Weight 256.68400
Density 1.342g/cm3 Boiling Point 391ºC at 760mmHg
Molecular Formula C15H9ClO2 Melting Point N/A
MSDS N/A Flash Point 163.7ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-(4-chlorophenyl)chromen-4-one
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.342g/cm3
Boiling Point 391ºC at 760mmHg
Molecular Formula C15H9ClO2
Molecular Weight 256.68400
Flash Point 163.7ºC
Exact Mass 256.02900
PSA 30.21000
LogP 4.11340
Vapour Pressure 2.54E-06mmHg at 25°C
Index of Refraction 1.642
InChIKey BUEVXCMRYKDSMY-UHFFFAOYSA-N
SMILES O=c1cc(-c2ccc(Cl)cc2)oc2ccccc12

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2914700090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2914700090
Summary HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

 Bioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Discovery of Small Molecules to Inhibit Human Cytomegalovirus Nuclear Egress
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
Target: HCMV UL50
External Id: HMS1262
Name: Experimentally measured binding affinity data (IC50) for protein-ligand complexes der...
Source: Shanghai Institute of Organic Chemistry
Target: N/A
External Id: PDBbind-IC50 for protein-ligand complexes
Name: Cytotoxicity against LPS-stimulated mouse RAW264.7 cells assessed as cell viability a...
Source: ChEMBL
Target: RAW264.7
External Id: CHEMBL4029931
Name: A screen for compounds that inhibit the activity of LtaS in Staphylococcus aureus
Source: ICCB-Longwood/NSRB Screening Facility, Harvard Medical School
External Id: HMS979
Name: Antioxidant activity in Wistar albino Rattus norvegicus (rat) liver microsomes assess...
Source: ChEMBL
Target: Liver microsome
External Id: CHEMBL3072901
Name: Antiviral activity against Influenza A virus (H1N1) infected in dog MDCK cells assess...
Source: ChEMBL
Target: Influenza A virus
External Id: CHEMBL4616899
Name: Cytotoxicity against dog MDCK cells assessed as reduction in cell viability by MTT as...
Source: ChEMBL
Target: MDCK
External Id: CHEMBL4616898
Name: Growth inhibition of Homo sapiens (human) MCF7 cells at 100 uM after 48 hr by SRB ass...
Source: ChEMBL
Target: MCF7
External Id: CHEMBL3072903
Name: Inhibition of Influenza A virus (H1N1) neuraminidase
Source: ChEMBL
Target: Neuraminidase
External Id: CHEMBL4616901
Name: Growth inhibition of Homo sapiens (human) MOLT4 cells at 100 uM after 48 hr by SRB as...
Source: ChEMBL
Target: MOLT-4
External Id: CHEMBL3072902
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

4'-Chloroflavone

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the polar surface area (PSA) of 2-(4-chlorophenyl)chromen-4-one?
A: Polar surface area (PSA) of 2-(4-chlorophenyl)chromen-4-one is 30.21000.
Q: What is the English name of 2-(4-chlorophenyl)chromen-4-one?
A: The English name of 2-(4-chlorophenyl)chromen-4-one is 2-(4-chlorophenyl)chromen-4-one.
Q: What is the boiling point of 2-(4-chlorophenyl)chromen-4-one?
A: Boiling point of 2-(4-chlorophenyl)chromen-4-one is 391ºC at 760mmHg.
Q: What is the molecular weight of 2-(4-chlorophenyl)chromen-4-one?
A: Molecular weight of 2-(4-chlorophenyl)chromen-4-one is 256.68400.
Q: What English synonyms does 2-(4-chlorophenyl)chromen-4-one have?
A: English synonyms of 2-(4-chlorophenyl)chromen-4-one: 4'-Chloroflavone.
Q: What is the InChIKey of 2-(4-chlorophenyl)chromen-4-one?
A: InChIKey of 2-(4-chlorophenyl)chromen-4-one is BUEVXCMRYKDSMY-UHFFFAOYSA-N.
Q: What is the molecular formula of 2-(4-chlorophenyl)chromen-4-one?
A: Molecular formula of 2-(4-chlorophenyl)chromen-4-one is C15H9ClO2.
Q: What is the SMILES notation of 2-(4-chlorophenyl)chromen-4-one?
A: SMILES notation of 2-(4-chlorophenyl)chromen-4-one is O=c1cc(-c2ccc(Cl)cc2)oc2ccccc12.
Q: What are the downstream products of 2-(4-chlorophenyl)chromen-4-one?
A: Related downstream products(CAS) of 2-(4-chlorophenyl)chromen-4-one: 19275-70-8.
Q: What is the Chinese name of 10420-75-4?
A: Chinese name of 10420-75-4 is 10420-75-4.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
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